There are 6 easy ways to take a screenshot on the Oppo Reno4 Z phone as well as several best tips tricks and cool hidden features to rapidly get a screenshot:
Screenshot Capture shortcut icon
Built-in app
Google Assistant
Three fingers swipe on screen
Install screenshot app from Google Play
Use buttons
We understand that you are clever. This is why there will be no instructions like select the screen you want to save or turn on your phone. No nonsense. Only the essential information how to make a screenshot on the Oppo Reno4 Z phone.
Use buttons
The easiest way to take a screenshot is to use the buttons. Press the Volume Down and Power buttons and keep them pressed until you capture a screenshot. You can also use this method to make a scroll screenshot.
Click to zoom in
If the first way to take a screenshot not work and you can't find picture let's go further.
Long screenshot
To make a long screenshot, just click on the proper icon. It will appear after you have taken a ordinary screenshot. This method can also be called to make a scroll screenshot.
Click to zoom in
Three-finger swipe
Swipe three fingers down the screen to get a screenshot. The place of swipe is not crucial. This method is applied in ColorOS.
Click to zoom in
Use apps
You can use additional apps for screenshots which are a lot in Google Play: Screenshot Pro, Screenshot touch, Private Screenshots, Screen Master, Screenshot Easy and more... All these apps have instructions on how to use them to take a screenshot and save the picture.
Use Capture icon
Another way is to use the built-in tools of the phone. Swipe down on the screen and open the notification bar. Find the screenshot icon (shortcut) and tap on it to take a screenshot. You've done all you need to do. You got the picture.
Google Assistant
The laziest way is to use Google Assistant. Just say OK Google and then Take a screenshot. The phone will do everything for you.
How can I share my screenshots? Depending on the Android version and the built-in shell, sending screenshots may differ. In lastest versions of Android (9 or 10), the quick actions menu will arise after you take a screenshot instantly. There you need to choose the appropriate icon for sharing. Or just open the gallery app on your gadget.
Where can I find screenshots I made? If you can't find the screenshots you made, don't give up. The folders where the gadget saves screenshots and regular photo may be different. Again, it all depends on custom shells. A pure Android throws pictures into the gallery (DCIM). Other shells can save screenshots to a separate folder for your convenience.
These methods work with gadgets of all operators.
T-Mobile
TracFone
Virgin mobile
Sprint
Metro
Verizon Wireless
Cricket Wireless
AT&T
Simple Mobile
Oppo Reno4 Z has a screen resolution 1080 x 2400 points. So the screenshot will be the same size. And the file size will be 0.3 megabytes, so calculate how much space you need in your phone's memory or on your microSD card. The video or pictures in this post may not exactly match your phone model. But, they have common details that will help you get the required result.